Internal and External Stimuli

Roots grow downward in the soil in response to-

• gravity
• sunlight
• water 
• wind

Tags

NGSS.MS-LS1-5

Which of the following is an example of an external Stimuli?

• Becoming dehydrated and then taking a drink of water
• Getting a headache and then taking Excedrin
• Having hunger pains and then eating a sandwich
• Smelling Pizza and then eating a piece

Tags

NGSS.MS-LS1-8

Learning to brush your teeth when you are younger.

• learned behavior

• instinct

Many birds migrate long distances when the seasons change. Which of the following is an environmental stimulus that would signal to the birds the changing seasons?

• Changes in the length of daylight.

• Increase in the population of edible plants.

• Decreased number of offspring per hatching event.

• Increase in annual precipitation levels.

Tags

NGSS.MS-ESS1-1

Pain is a stimulus in animals that leads to responses which help the animal to -

• find food in the habitat.

• recuperate after exercise.

• avoid harmful situations.

• fight serious infections.

Tags

NGSS.MS-LS1-8

While sitting in a room, a person notices that the temperature has become uncomfortably warm. The body will respond by -

• shivering.

• sweating.

• twitching.

• vomiting.

Tags

NGSS.MS-LS1-8

Steven sets a brand new plant near the window. After several weeks Steven realizes the flower is starting to tilt towards the sunlight. What would be considered the stimuli in this scenario?

• Water
• The dirt in the flower pot
• The sunlight
• The window

Tags

NGSS.MS-LS1-5

The skin helps regulate body temperature. When your body becomes too warm you...

• Sweat
• Blink
• Shiver
• Yawn

Tags

NGSS.MS-LS1-8

Stimulus is like the "cause" and response is like...

• the cause

• the effect

• the reaction rate

• the response time

Tags

NGSS.MS-LS1-8

What are the two types of stimuli?

• External and internal stimuli

• External and intermediate stimuli

• Internal and extraterrestrial stimuli

Tags

NGSS.MS-LS1-8